LT3491ESC8#PBF Linear Technology, LT3491ESC8#PBF Datasheet - Page 14
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LT3491ESC8#PBF
Manufacturer Part Number
LT3491ESC8#PBF
Description
Manufacturer
Linear Technology
Datasheet
1.LT3491ESC8PBF.pdf
(16 pages)
Specifications of LT3491ESC8#PBF
Operating Supply Voltage (typ)
3.3/5/9V
Number Of Segments
6
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
SC-70
Pin Count
8
Mounting
Surface Mount
Operating Supply Voltage (min)
2.5V
Operating Supply Voltage (max)
12V
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT3491
TYPICAL APPLICATIO S
14
3V TO 5V
3V TO 5V
V
V
IN
IN
Li-Ion Driver for Three White LEDs
10µH
Li-Ion Driver for Five White LEDs
10µH
C1: TAIYO YUDEN LMK212BJ105MD
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH32CN100
C1
1µF
C1: TAIYO YUDEN LMK212BJ105MD
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH32CN100
C1
1µF
L1
L1
DIMMING CONTROL
DIMMING CONTROL
V
SW
V
SW
SHUTDOWN AND
IN
SHUTDOWN AND
IN
LT3491
LT3491
CTRL
GND
CTRL
GND
CAP
LED
CAP
LED
U
R
10Ω
SENSE
R
10Ω
3491 TA05a
SENSE
3491 TA04a
C2
1µF
C2
1µF
80
75
70
65
60
55
50
45
40
35
80
75
70
65
60
55
50
45
40
35
0
0
V
3 LEDs
V
5 LEDs
IN
IN
2
2
= 3.6V
= 3.6V
4
4
LED CURRENT (mA)
LED CURRENT (mA)
6
6
Efficiency
Efficiency
8
8
10
10
12 14 16 18
12 14 16 18
3491 TA04b
3491 TA05b
20
20
3491fa